21 citations · 26 across the 5 of their papers we have counts for
5 papers
On the use of a single site approximation to describe correlation in pure metals
C. M. Chaves, A. A. Gomes, A. Troper
The magnetic properties of pure transition-like metals are discussed within the single site approximation, to take into account the electron correlation. The metal is described by…
Effects of the Hybridization on the Fermi Surface of an Extended Hubbard Model
E. J. Calegari, S. G. Magalhaes, A. A. Gomes
The Fermi surface (FS) of an extended Hubbard model is investigated by a two-pole approximation in both situations with hole and electron doping. Using the factorization proc…
Compressibility of a two-dimensional extended Hubbard model
E. J. Calegari, S. G. Magalhães, A A. Gomes
The compressibility of an extended Hubbard model is investigated by the Roth's two-pole approximation. Using the factorization procedure proposed by Beenen and Edwards, super…
Superconductivity in a two dimensional extended Hubbard model
E. J. Calegari, S. G. Magalhaes, A. A. Gomes
The Roth's two-pole approximation has been used by the present authors to investigate the role of hybridization in the superconducting properties of an extended Hubbard…
Role of Hybridization in the Superconducting Properties of an Extended Hubbard Model: a Detailed Numerical Study
E. J. Calegari, S. G. Magalhães, A. A. Gomes
The Roth's two-pole approximation has been used by the present authors to study the effects of the hybridization in the superconducting properties of a strongly correlated electron…